Untitled

using System;
using System.Linq;
using System.Reflection;

public class ObjectPopulator
{
    public static T CreateExampleInstance<T>() where T : class, new()
    {
        return (T)CreateExampleInstance(typeof(T));
    }

    private static object CreateExampleInstance(Type type)
    {
        if (type == null || !type.IsClass)
            return null;

        // Handle string separately to avoid infinite loops
        if (type == typeof(string))
            return "ExampleString";

        // Try creating an instance using the default constructor
        object instance;
        try
        {
            instance = Activator.CreateInstance(type);
        }
        catch
        {
            return null;
        }

        // Populate properties
        foreach (var property in type.GetProperties(BindingFlags.Public | BindingFlags.Instance)
                                    .Where(p => p.CanWrite))
        {
            object value = GetExampleValue(property.PropertyType);
            property.SetValue(instance, value);
        }

        return instance;
    }

    private static object GetExampleValue(Type type)
    {
        if (type == typeof(string))
            return "ExampleString";
        if (type == typeof(int))
            return 42;
        if (type == typeof(double))
            return 3.14;
        if (type == typeof(bool))
            return true;
        if (type == typeof(DateTime))
            return DateTime.Now;
        if (type.IsEnum)
            return Enum.GetValues(type).GetValue(0);
        if (type.IsClass)
            return CreateExampleInstance(type); // Recursively instantiate

        return null;
    }
}

// Example usage
public class Person
{
    public string Name { get; set; }
    public int Age { get; set; }
    public Address HomeAddress { get; set; }
}

public class Address
{
    public string Street { get; set; }
    public int ZipCode { get; set; }
}

class Program
{
    static void Main()
    {
        Person examplePerson = ObjectPopulator.CreateExampleInstance<Person>();
        Console.WriteLine($"Name: {examplePerson.Name}, Age: {examplePerson.Age}");
        Console.WriteLine($"Address: {examplePerson.HomeAddress?.Street}, ZipCode: {examplePerson.HomeAddress?.ZipCode}");
    }
}